In 2018, Brad Smith was at church when a fellow congregant noticed he was struggling to put on his suit jacket. Brad, then 37, was nursing a month-old shoulder injury from playing dodgeball with the church youth group, but it kept getting worse.Brad endured months of muscle and nerve testing and MRIs to rule out a spinal cord injury before visiting a clinic in his hometown of Phoenix, Arizona, that specialized in treating a very rare neurologica…